PROBLEM POSSIBLE SOLUTION
1. Condensing unit fails to start. a. Check if cord & plug has been disconnected.
b. Clean Condenser
2. Condensing unit operates for prolonged periods or
continuously.
a. Are doors closed properly?
b. Dirty condenser or filter. Clean properly.
c. Evaporator coils iced. Needs to defrost. See instructions for starting a manual
defrost cycle p. 10.
3. Food Compartment is too warm.
(Note: Compressor may be cycling ON/OFF frequently)
a. Check door(s) and gasket(s) for proper seal.
b. Check if a large quantity of warm food was recently added or the door was kept
open for a long period of time.
c. Microprocessor Control setting is too high. Readjust per instructions on p. 7 and 8.
d. Clean Condenser
4. Food Compartment is too cold. a. Check if a large quantity of very cold or frozen food has recently been added. Allow
adequate time for the cabinet to recover its normal operating temperature.
b. Adjust the microprocessor control to warmer setting. Readjust per instruction on p.
7 and 8.
5. Condensation on exterior surface. a. Check door(s) alignment and gaskets for proper seal.
b. Condensation on the exterior surface of the unit is perfectly normal during periods
of high humidity.
c. Check perimeter heat setting and increase setting if <100.
6. Product temperature in rail too warm. a. Product held in plastic pans.
b. Room ambient temperature exceeds 86
0
F. Operate in room ambient below this
temperature.
c. Air drafts disrupting air-flow over product pans.
d. Food debris blocking air discharge and/or return vents.
e. Product loaded in pans above 36
0
F.
f. Rail inserts missing.
g. Base doors left open.
h. Pan(s) missing.
7. Compressor hums & does not start. a. Call for service.
8. Water on floor. a. Make sure drain valve is closed.
b. If water is from system condensate pan, install wicking card kit.
-13-
IX. TROUBLE SHOOTING GUIDE
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